National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Partly Cloudy

15°F

-9°C

Humidity 59%
Wind Speed NW 14 mph
Barometer 30.44 in (1033.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 21 Feb 6:56 pm CST
Extended Forecast for

Sioux Falls, Foss Field SD

  • Tonight

    Tonight: Partly cloudy, with a low around 5. North northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 23 °F

    Sunny then
    Sunny and
    Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -1. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: -1 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 44.

    High: 44 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 5. North northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around -1. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 31. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 19. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 54. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 44.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.76°W (Elev. 1421 ft)
Last Update:
5:43 pm CST Feb 21, 2026
Forecast Valid:
7pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation